Find an equation for the perpendicular bisector of the line segment whose endpoints are (3, -8) and (7,2).

If sin θ=24/25 and 0 less than or equal to θ less than or equal to π/2, find the exact value of tan 2θ. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7

We just started the introduction into circles and i have no idea how to do this.

Is a square always, sometimes, or never a parallelogram